Product name: Iron oxide(red, green, black, brown, blue, yellow) English alias: Ferric oxide; Iron (III) Oxide Anhydrous; diiron trioxide; E 172; Iron (III) oxide- calcined; Ironoxide anhydrous; Ironoxideredbrownpowder; Iron oxide - precipitated; Ferric oxide,medicinal; Ferric oxide for ferrite; Iron (III) oxide, red; Hematite; Iron oxide; IRON OXIDE RED; C.I.P. R.101; C.I. PIGMENT RED 101; Iron (III) oxide CAS number: 1309-37-1; 1317-60-8; 1332-37-2 EINECS number: 215-168-2; 215-275-4; 215-570-8 The molecular formula: Fe2O3, Fe3O4 Density: 5.24g/cm3 Melting point: 1538℃ 1.Specifications: ITEM Red Yellow Brown Black Blue Appearance Red powder Yellow powder Brown powder Black powder Blue powder Content 96% min 86% min 92%min 93%min 95%min Tinting Strength 95-105% 95-105% 95-105% 95-105% 95-105% Volatile Matter 1.0% max 1.0% max 1.0% max 1.0% max 1.0% max Water Soluble 0.3%max 0.3%max 0.5%max 0.5%max 0.5%max Residue On Sieve 0.2%max 0.3%max 0.3%max 0.3%max 0.3%max pH Value 3.5-8 3.5-7 4-7 5-7 3.5-7 Oil absorption 15-25% 25-35% 20-30% 15-25% 15-25% 2.Product usage: Mainly used for magnetic materials, pigment, burnishing, catalyst etc, also used in telecommunications, instrument industry 3.Package: red/green/black/brown/blue: 25kg/bag, 23MT/20'FCL Yellow: 25kg/bag,13MT/20'FCL any of these items be of interest to you, please let us know, we will be happy to give you details Contact: Person: Amy Email: ytchem07 at yuntianchemical.com.cn MSN: ytchem07at hotmail.com Skype: amyhan0313 Tel: 86-15369372068